{"type":"firestarter.listing","listing":{"id":"lst_GmDVX2Ps","product_name":"E1DA APU Cosmos Analog Processing Unit High-Performance Low-noise Pre-Amp","category":null,"description":"\nCosmos APU\nBlack Housing Unit is assembled and calibrated.\nPCBA Only is not assembled/calibrated.\nAssembly Kit includes:\n\n\n \n1) Cosmos APU PCBA not calibrated\n\n2) Wooden box\n\n3) Case extrusion\n\n4) Front panel\n\n5) Rear panel\n\n6) Black silicone legs 4pcs\n\n7) M3 screws 4pcs\n\n8) Black screws 8pcs\n\n9) Red silicone protector for the phantom power\n\n \n\n\n\n \n\n\n\n\n\n\n\n\n\n \n\n Specifications:\n\n\n\n\nDevice purpose\n/marketing target: Cosmos Analog Processing Unit a single-channel device\ntop performance THD+N and Noise/DR measurement tool for Cosmos ADC\nStatus: production\n\nMaterials: Sandblasted/black anodized aluminum/laser mark/THAT1510/OPA1612/RT6863S\nViking resistors, Murata, TDK, ELNA caps, Taiwanese connectors and switches\nDimensions: PCBA 90x50x29mm\n104x61x39mm\n\nWeight: PCBA 34g\nAssembled unit 157g\n\nPower: USB-C +5V rail, 350mA idle current, isolated power is recommended\n(charger, power-bank >600mA)\n\nInputs: 3.5mm jacks TRRS pinout as +In/-In/GND/GND respectively\nNotch: balanced (FDA) up to 10Vrms(active clamp to 15Vpeak)\ngain = 20db + 0/6db(switchable), Zi=20/10kohm bal/unbal\nthe Notch ratio = -30db at 1kHz or 10kHz(switchable)\nResidual Noise 950nVrms(A) typical(gain 20+6db, Fnotch=1kHz)\n\n\n\nResidual distortions: @1kHz@4.5Vrms 2nd/3rd <-150db/-150db\n @1kHz@9Vrms 2nd/3rd <-150db/-160db\n@10kHz@4.5Vrms 2nd/3rd <-130db/-130db\nResidual THD+N BW20-20k@1kHz@9Vrms <-131db unweighted\n(practically achieved with DAC+LPF sourse)\n@1kHz@4.5Vrms <-127db unweighted(practically achieved with DAC+LPF sourse)\n\n\n\nPreamp: balanced (FDA) up to 3.5Vrms(10oHm to TVS clamped!), gain = 34/60db\nZi=47/23.5k bal/unbal, 100pF input capacitance i.e. able to use as a phono-preamp\nwith no RIAA correction, which would be accuratelly applied in a digital domain\nResidual Noise <130nVrms(A) typical at +60db gain or <260nVrms(A) at +34db gain\n\n\n\nThe practically achieved Dynamic Range AES17 in the cascaded Preamp->Notch\n@1kHz -60dbfs(10mVrms) >153db(A), @1kHz -60dbfs(5mVrms) >150db(A)","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/products/e1da-apu-cosmos-analog-processing-unit-high-performance-low-noise-pre-amp-hifigo-252290.jpg?v=1697697318","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/e1da-apu-cosmos-analog-processing-unit-high-performance-low-noise-pre-amp-hifigo-728975.jpg?v=1697697365","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/e1da-apu-cosmos-analog-processing-unit-high-performance-low-noise-pre-amp-hifigo-744488.jpg?v=1697697334","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/e1da-apu-cosmos-analog-processing-unit-high-performance-low-noise-pre-amp-hifigo-564926.jpg?v=1697697294","https://cdn.shopify.com/s/files/1/0031/0453/8673/products/e1da-apu-cosmos-analog-processing-unit-high-performance-low-noise-pre-amp-hifigo-463961.jpg?v=1697697325"],"price":149,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:30.920Z"},"share_url":"https://firestarter.network/l/lst_GmDVX2Ps","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer ","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_GmDVX2Ps' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy E1DA APU Cosmos Analog Processing Unit High-Performance Low-noise Pre-Amp' and a budget_max comfortably above $149.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}